. Birds of Arkansas. Birds. Bui. 38, Biological Survey, U. S. Dep^ of Agricul-ture, Plate Fig. 1.—Cypress Swamp, Walker Lake, Arkansas. Site of a Large Heron Rookery. ^4- ;,, W^ Fig. 2.—Great Blue Herons and Nests, Walker Lake, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Howell, Arthur Holmes, 1872-1940; Fuertes, Louis Agassiz, 1874-1927. Washington, Govt. Print. Off.
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